Thach Tran created TS-1634:
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Summary: Lua remap plugin crashes on reload
Key: TS-1634
URL: https://issues.apache.org/jira/browse/TS-1634
Project: Traffic Server
Issue Type: Bug
Components: Plugins
Reporter: Thach Tran
To reproduce, one can essentially build TS with Lua support and put a rule in
remap.config indicating using lua.so as plugin.
Next, do a couple of requests to start things off and then touch remap.config
follows by traffic_line -x. It might take a couple of tries but eventually one
will get a crash. The stack trace is typically as follows.
{noformat}
#0 0x00002b5a70f6bfd2 in lj_str_new (L=0x209c3d0, str=0x2b5a70d3b079
"release", lenx=<optimised out>) at lj_str.c:123
#1 0x00002b5a70f73b97 in lua_getfield (L=0x209c3d0, idx=<optimised out>,
k=0x2b5a70d3b079 "release") at lj_api.c:749
#2 0x00002b5a70d35fed in LuaPluginRelease (lua=0x209c3d0) at remap.cc:30
#3 0x00002b5a70d362a5 in TSRemapDeleteInstance (ih=0x209c3d0) at remap.cc:80
#4 0x00000000005c6721 in url_mapping::delete_instance (this=0x209b400,
index=0) at UrlMapping.cc:81
#5 0x00000000005c6805 in url_mapping::~url_mapping (this=0x209b400,
__in_chrg=<optimised out>) at UrlMapping.cc:109
#6 0x00000000005c34b3 in Trie<url_mapping>::Clear (this=0x209c5e0) at
../../../lib/ts/Trie.h:213
#7 0x00000000005c2c73 in Trie<url_mapping>::~Trie (this=0x209c5e0,
__in_chrg=<optimised out>) at ../../../lib/ts/Trie.h:54
#8 0x00000000005c2ca6 in Trie<url_mapping>::~Trie (this=0x209c5e0,
__in_chrg=<optimised out>) at ../../../lib/ts/Trie.h:54
#9 0x00000000005c23d2 in UrlMappingPathIndex::~UrlMappingPathIndex
(this=0x209c5a0, __in_chrg=<optimised out>) at UrlMappingPathIndex.cc:28
#10 0x00000000005c2480 in UrlMappingPathIndex::~UrlMappingPathIndex
(this=0x209c5a0, __in_chrg=<optimised out>) at UrlMappingPathIndex.cc:30
#11 0x00000000005bc281 in UrlRewrite::_destroyTable (this=0x20aa550,
h_table=0x209b130) at UrlRewrite.cc:630
#12 0x00000000005c1d7a in UrlRewrite::DestroyStore (this=0x20aa550, store=...)
at UrlRewrite.h:124
#13 0x00000000005bbf20 in UrlRewrite::~UrlRewrite (this=0x20aa550,
__in_chrg=<optimised out>) at UrlRewrite.cc:546
#14 0x000000000052681f in UR_FreerContinuation::freeEvent (this=0x2aaadc001a20,
event=2, e=0x2aaabc1eb280) at ReverseProxy.cc:168
#15 0x00000000004e366e in Continuation::handleEvent (this=0x2aaadc001a20,
event=2, data=0x2aaabc1eb280) at ../iocore/eventsystem/I_Continuation.h:146
#16 0x00000000006e3f9a in EThread::process_event (this=0x2aaaaacae010,
e=0x2aaabc1eb280, calling_code=2) at UnixEThread.cc:142
#17 0x00000000006e4332 in EThread::execute (this=0x2aaaaacae010) at
UnixEThread.cc:219
#18 0x00000000006e31e2 in spawn_thread_internal (a=0x209b3b0) at Thread.cc:88
#19 0x00002b5a611a9e9a in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#20 0x00002b5a630a3cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#21 0x0000000000000000 in ?? ()
{noformat}
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